{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "3636",
    "entityType": "User",
    "nonce": "0xc47785a0f0dfd7c20b88e02beb43bef93f255c4ce6f14ec14b718b35acae331a",
    "signature": "0xe183e251d5cda70b2a25bc7f12dfd5fd746a0e3762d8a00a801c5b1d2ff21e070e78986acec9dde03eeaad116e9029c2b822e5d95c41552be782ec9da78b74891c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}